13334917985669 has 24 divisors (see below), whose sum is σ = 16019233947648. Its totient is φ = 11056526399520.

The previous prime is 13334917985657. The next prime is 13334917985677. The reversal of 13334917985669 is 96658971943331.

It is not a de Polignac number, because 13334917985669 - 2⁸ = 13334917985413 is a prime.

It is a super-2 number, since 2×13334917985669² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13334917985596 and 13334917985605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13334917985639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1718012 + ... + 5442554.

It is an arithmetic number, because the mean of its divisors is an integer number (667468081152).

Almost surely, 2^{13334917985669} is an apocalyptic number.

It is an amenable number.

13334917985669 is a deficient number, since it is larger than the sum of its proper divisors (2684315961979).

13334917985669 is a wasteful number, since it uses less digits than its factorization.

13334917985669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726945 (or 3726938 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 74.

The spelling of 13334917985669 in words is "thirteen trillion, three hundred thirty-four billion, nine hundred seventeen million, nine hundred eighty-five thousand, six hundred sixty-nine".